Function: Accept thermocouple signal from the field, and output standard current/voltage signal to control room, PLC, DCS And display instrument, etc.; Features: DIN rail independent installation; input, output, power supply three ports high reliability isolation.
2. SPECIFICATION
2.1Input:
Input signal: Thermocouple signal such as B, E, J, K, N, R, S, T
Cold junction compensation: Compensation range: -25~+75ºC (1 per 20ºC error), compensation method:
internal compensation
2.2output:
Output load resistance: RL ≤ 500Ω (when the output is a current signal)
RL ≥ 1KΩ (when the output is a voltage signal)
2.3 Parameters:
Power supply: DC24V, ±10%
Current consumption: ≤30mA (1 input 1 output, 24V power supply, 20mA output)
≤50mA (1 in 2 output, 24V power supply, 20mA output)
≤60mA (2 in 2 out, 24V power supply, 20mA output)
Temperature drift: 0.005% F.S./ºC (-20°C~+55ºC)
Response time: ≤10mS (0-90%) (TYP)
Insulation strength: 1500V AC / 1min (between input, output and power)
Insulation resistance: ≥100MΩ (between input, output, and power)
2.4 Operating temperature range: -20 ~ +55ºC
2.5 Electromagnetic compatibility: In line with GB/T 18268 (IEC61326-1)
2.6 Applicable field devices:Thermocouple